On Wed 2018-08-22 22:43:03, Lubomir Rintel wrote:
> Use a proper PHY driver, instead of hooks to a board support package.
>
> Signed-off-by: Lubomir Rintel <lkundrak@xxxxx>
Acked-by: Pavel Machek <pavel@xxxxxx>
> ---
> arch/arm/mach-mmp/devices.c | 11 +-------
> drivers/usb/gadget/udc/mv_udc.h | 7 ++++-
> drivers/usb/gadget/udc/mv_udc_core.c | 38 ++++++++--------------------
> 3 files changed, 17 insertions(+), 39 deletions(-)
>
> diff --git a/arch/arm/mach-mmp/devices.c b/arch/arm/mach-mmp/devices.c
> index eb9b3c34e90a..d925be9f14a9 100644
> --- a/arch/arm/mach-mmp/devices.c
> +++ b/arch/arm/mach-mmp/devices.c
> @@ -263,21 +263,12 @@ struct platform_device pxa168_device_usb_phy = {
>
> #if IS_ENABLED(CONFIG_USB_MV_UDC)
> struct resource pxa168_u2o_resources[] = {
> - /* regbase */
> [0] = {
> - .start = PXA168_U2O_REGBASE + U2x_CAPREGS_OFFSET,
> + .start = PXA168_U2O_REGBASE,
> .end = PXA168_U2O_REGBASE + USB_REG_RANGE,
> .flags = IORESOURCE_MEM,
> - .name = "capregs",
> },
> - /* phybase */
> [1] = {
> - .start = PXA168_U2O_PHYBASE,
> - .end = PXA168_U2O_PHYBASE + USB_PHY_RANGE,
> - .flags = IORESOURCE_MEM,
> - .name = "phyregs",
> - },
> - [2] = {
> .start = IRQ_PXA168_USB1,
> .end = IRQ_PXA168_USB1,
> .flags = IORESOURCE_IRQ,
> diff --git a/drivers/usb/gadget/udc/mv_udc.h b/drivers/usb/gadget/udc/mv_udc.h
> index b3f759c0962c..6f04f432964d 100644
> --- a/drivers/usb/gadget/udc/mv_udc.h
> +++ b/drivers/usb/gadget/udc/mv_udc.h
> @@ -6,6 +6,9 @@
> #ifndef __MV_UDC_H
> #define __MV_UDC_H
>
> +/* registers */
> +#define U2x_CAPREGS_OFFSET 0x100
> +
> #define VUSBHS_MAX_PORTS 8
>
> #define DQH_ALIGNMENT 2048
> @@ -174,9 +177,9 @@ struct mv_udc {
> struct platform_device *dev;
> int irq;
>
> + void __iomem *base;
> struct mv_cap_regs __iomem *cap_regs;
> struct mv_op_regs __iomem *op_regs;
> - void __iomem *phy_regs;
> unsigned int max_eps;
> struct mv_dqh *ep_dqh;
> size_t ep_dqh_size;
> @@ -219,6 +222,8 @@ struct mv_udc {
>
> /* some SOC has mutiple clock sources for USB*/
> struct clk *clk;
> +
> + struct phy *phy;
> };
>
> /* endpoint data structure */
> diff --git a/drivers/usb/gadget/udc/mv_udc_core.c b/drivers/usb/gadget/udc/mv_udc_core.c
> index 95f52232493b..c701c83d3af5 100644
> --- a/drivers/usb/gadget/udc/mv_udc_core.c
> +++ b/drivers/usb/gadget/udc/mv_udc_core.c
> @@ -1069,14 +1069,11 @@ static int mv_udc_enable_internal(struct mv_udc *udc)
> if (retval)
> return retval;
>
> - if (udc->pdata->phy_init) {
> - retval = udc->pdata->phy_init(udc->phy_regs);
> - if (retval) {
> - dev_err(&udc->dev->dev,
> - "init phy error %d\n", retval);
> - udc_clock_disable(udc);
> - return retval;
> - }
> + retval = phy_init(udc->phy);
> + if (retval) {
> + dev_err(&udc->dev->dev, "init phy error %d\n", retval);
> + udc_clock_disable(udc);
> + return retval;
> }
> udc->active = 1;
>
> @@ -1095,8 +1092,7 @@ static void mv_udc_disable_internal(struct mv_udc *udc)
> {
> if (udc->active) {
> dev_dbg(&udc->dev->dev, "disable udc\n");
> - if (udc->pdata->phy_deinit)
> - udc->pdata->phy_deinit(udc->phy_regs);
> + phy_exit(udc->phy);
> udc_clock_disable(udc);
> udc->active = 0;
> }
> @@ -2147,30 +2143,16 @@ static int mv_udc_probe(struct platform_device *pdev)
> if (IS_ERR(udc->clk))
> return PTR_ERR(udc->clk);
>
> - r = platform_get_resource_byname(udc->dev, IORESOURCE_MEM, "capregs");
> + r = platform_get_resource(udc->dev, IORESOURCE_MEM, 0);
> if (r == NULL) {
> dev_err(&pdev->dev, "no I/O memory resource defined\n");
> return -ENODEV;
> }
>
> - udc->cap_regs = (struct mv_cap_regs __iomem *)
> - devm_ioremap(&pdev->dev, r->start, resource_size(r));
> - if (udc->cap_regs == NULL) {
> - dev_err(&pdev->dev, "failed to map I/O memory\n");
> - return -EBUSY;
> - }
> -
> - r = platform_get_resource_byname(udc->dev, IORESOURCE_MEM, "phyregs");
> - if (r == NULL) {
> - dev_err(&pdev->dev, "no phy I/O memory resource defined\n");
> - return -ENODEV;
> - }
> + udc->base = devm_ioremap(&pdev->dev, r->start, resource_size(r));
>
> - udc->phy_regs = devm_ioremap(&pdev->dev, r->start, resource_size(r));
> - if (udc->phy_regs == NULL) {
> - dev_err(&pdev->dev, "failed to map phy I/O memory\n");
> - return -EBUSY;
> - }
> + udc->cap_regs =
> + (void __iomem *) ((unsigned long)udc->base + U2x_CAPREGS_OFFSET);
>
> /* we will acces controller register, so enable the clk */
> retval = mv_udc_enable_internal(udc);
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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